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Watch out for insects during outdoor activities!

Last Updated July 24, 2024

During outdoor activities such as hiking, be careful of insects that can harm people.
Especially from August to September, a hornet sting accident may occur during hiking on walking paths such as forests.
Let's take good measures and enjoy nature.

Precautions when going hiking

  • Do not step on roads other than the promenade or where there is a sign prohibiting entry.
  • Wear long sleeves and long pants, and use insect repellents (some insects do not work with insect repellents).
  • Don't use fragrant cosmetics such as perfume.
  • Avoid black or dark clothing as much as possible.
  • Use a sheet instead of sitting directly on the ground.

Major harmful and poisonous insects

Wasp, wasp (summer to autumn)

They build nests in tree branches, tree caves, and soil.
You may be attracted by the scent of cosmetics such as perfume and drinks such as juice.
If you see a bee or beehive, don't throw it by hand, shake the nest, make loud noises, lower your posture and stay away from the spot.

If stabbed, wash the wound thoroughly with running water and treat it with an ointment containing antihistamine.
Also, if you experience severe swelling, hives, dizziness, or nausea in the affected area, consult a medical institution immediately.

F. Abu (Spring to Autumn)

Flies to people hiking and barbecues in the mountains and forests and sucks blood.
F is about 5 mm long and lurks in poorly ventilated places of yabs and coppice forests.
Ab is a relatively large blood sucker with a body length of 9 to 15 mm. When bitten, it has a temporary severe pain, then it feels itching and swells greatly.

Wear long sleeves and long pants, and use insect repellents to control them. Don't stay in poorly ventilated places.

Ticks (summer to autumn)

It is a mites of 2 to 4 mm in length attached to plants, and when sucking blood, the body becomes enormous.
Don't sit down or lie down directly on the ground.
Wear long sleeves and long pants, and use insect repellents to control them.

If you notice that you are stuck by a tick, if you forcibly pull it out, some of the ticks may remain in the skin, so do not try to remove it and consult a medical institution.

If you have any questions about bees and sanitary pests, please contact Health and Welfare Center Health Sanitation Division in your ward.

↑Return to the page of information about pests

Inquiries to this page

Health Sanitation Division, Medical Care Bureau Health and Safety Department

Telephone: 045-671-2456

Telephone: 045-671-2456

Fax: 045-641-6074

Email address: ir-seikatsueisei@city.yokohama.lg.jp

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Page ID: 185-487-388

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